|
|
OM3 Moulded Case Circuit Breaker (MCCB)
Specification
|
Breaking capacity
|
N
|
S
|
H
|
G
|
X
|
|
Rated current of frame size Inm
|
630
|
630
|
|
Rated current In
|
250,315350,400,500,630
|
|
Rated insulation voltage Ui
|
690V
|
|
Rated operating voltage Ue
|
400V
|
|
Number of poles
|
3
|
|
Icu 400V/50HZ O-CO KARated ultimate short-circuit breaking capacity
|
35
|
50
|
70
|
85
|
200
|
|
Ics 400V/50HZ O-CO KARated service short-circuit breaking capacity
|
35
|
37.5
|
52.5
|
63.75
|
200
|
|
Icm 400V/50HZ O-CO KARated short-circuit making capacity
|
74/0.25
|
105/0.25
|
154/0.2
|
187/0.2
|
440
|
|
Uimp V
Rated impulse withstand voltage
|
8000
|
|
Dielectric property V
|
3000
|
|
Endurance
|
Total cycles
|
8000
|
|
Electrical endurance
|
1000
|
|
Mechanical endurance
|
7000
|
|
Ionization distance mm
|
≤60/0
|
|
Over current trip unit
|
Thermal magnetic release
|
|
|
Intelligent trip unit
|
|
|
Utilization category
|
Main circuit
|
A/B
|
|
Auxiliary circuit
|
AC-15
|
|
Outline dimensions
|
Wmm
|
140 140
|
|
Lmm
|
254 360
|
|
Hmm
|
103.5 103.5
|
|
